JL AUDIO M400/4 Full-Range Marine Amplifier

Description

M400/4 Full-Range Marine Amplifier
Name
Value
Dimensions
8 5/8" Width x 2 1/16" Height x 7 1/8" Length
Type
4 Channel
Warranty Details
Two Years
Wattage
400 Watts
This tiny amplifier packs a serious full-range punch, delivering a staggering 100 watts to each of its four channels.
NexD™ Technology:
The breakthrough that makes this much power possible in such a small chassis is JL Audio's NexD™ ultra-high-speed switching design, which allows for full bandwidth Class D operation with extremely low distortion and outstanding efficiency.
Combine with a subwoofer amp:
Use the M400/4 in combination with the JL M600/1 monoblock to build a 1000 W amplification system to power four satellites and a subwoofer... and fit the whole thing under a seat. Or, use the M400/4 by itself to power two satellites, plus a subwoofer. With M-Series amplifier, the possibilities are endless.
Filters:
The M400/4 includes a 12 dB / octave filter for each channel bank, which can be configured as a low-pass or high-pass filter and offers continuously variable cutoff frequency selection from 50-500 Hz.
Remote control:
With the addition of an HD-RLC remote level control (sold separately), the amplifier's Ch. 1 & 2 level or overall level can be directly controlled from a remote location.
Built for the marine environment:
This marine amplifier features white and gray powder-coat finishes, a gasketed cover for the controls and stainless steel hardware for durability in the marine environment.
Key Features
NexD™ amplifier technologies produce exceptional audio quality, unsurpassed total efficiency and high power from very compact amplifier designs
JL Audio's exclusive Advanced Rollback Protection circuit monitors the amplifier's thermal condition and adjusts amplifier operation to eliminate annoying amplifier shut-down events
Frequency Response: 12 Hz - 22 kHz (+0, -1dB)
Signal/Noise Ratio, referred to highest rated power: >104 dB below rated power (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Signal/Noise Ratio, referred to 1 W: >84 dB (A-weighted, 20 Hz - 20 kHz noise bandwidth)
Damping Factor  4 Ω: >150 / 50 Hz
Damping Factor  2 Ω: >75 / 50 Hz
Total Harmonic Distortion + Noise  Rated Power: <1%  2 Ω per Ch.
Input Voltage Range  RCA Inputs: 100 mV - 4 V RMS
Min. Copper Power / Ground Wire Gauge: 4 AWG wire
Fuse Rating: 40 A (AFS, AGU or MaxiFuse™)
Filter Mode(s): Low-Pass or High-Pass
Filter Slope(s): 12 dB/octave
Filter Frequency Range: 50 Hz - 500 Hz
Detented, Calibrated Filter Freq. Potentiometers: Yes
Filter Defeat Function: Yes
Remote Level Control: Optional (HD-RLC)
Remote Level Modes: 2 or All channels
Channel Input Mode Switch: Yes (2/4 ch.)
Pass-Through Preamp Output: Buffered
Source Channel Selection for PreOuts: Yes